Terahertz photodetector based on two-dimensional tellurene

doi:10.11972/j.issn.1001-9014.2022.04.010

Home > Archive>Volume 41, Issue 4, 2022 >721-725. DOI:10.11972/j.issn.1001-9014.2022.04.010

Terahertz photodetector based on two-dimensional tellurene
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                        10.11972/j.issn.1001-9014.2022.04.010
                    
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                        HUANG Wen-Chao1HUANG Wen-Chao
School of Mathematics and Physics， Lanzhou Jiaotong University， Lanzhou 730070， China
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ZHANG Kai-Xuan2ZHANG Kai-Xuan
College of Science， Donghua University， Shanghai 201620， China
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LI Yun-Xia1LI Yun-Xia
School of Mathematics and Physics， Lanzhou Jiaotong University， Lanzhou 730070， China
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WANG Lin3WANG Lin
Shanghai Institute of Technical Physics Chinese Academy of Sciences， Shanghai 200083， China
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Affiliation:1.School of Mathematics and Physics， Lanzhou Jiaotong University， Lanzhou 730070， China;2.College of Science， Donghua University， Shanghai 201620， China;3.Shanghai Institute of Technical Physics Chinese Academy of Sciences， Shanghai 200083， China
Clc Number:TN386
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Abstract:

A metal-tellurene-metal terahertz photodetector， and realized optical detection under millimeter wave-terahertz wave are fabricated. The results show that the terahertz photodetector based on logarithmic antenna tellurene has a high optical responsivity （40 mA/W， 0.12 THz） under zero bias， a response time of 8 μs， and a noise equivalent power （NEP） of 4 pW·Hz^-0.5. This research results provide a new development path for high-performance room temperature terahertz optical detection.

Key words:two-dimensional materials;tellurene;terahertz photodetection

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HUANG Wen-Chao, ZHANG Kai-Xuan, LI Yun-Xia, WANG Lin. Terahertz photodetector based on two-dimensional tellurene[J]. Journal of Infrared and Millimeter Waves,2022,41(4):721~725

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Received:November 12,2021
Revised:August 18,2022
Adopted:December 02,2021
Online: August 10,2022
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